Trophy Bass lake will be an expensive investment, lot of pieces to the puzzle. I agree with Dave on the starting point, that is cheap insurance...Our lake committee manages a 54 acre lake for our HOA. A lake management company that we have used in the past put it this way. $ 500.00 an acre to maintain a fishery, $ 1000.00 an acre to make stellar progress. This is an annual commitment...Our HOA membership quickly said " no way "